Crossword and Word Search Puzzles
The ORNL DAAC has created crossword puzzles and word searches for grades 1-7.
The puzzles and their answer keys* are arranged by subject and are available for download as pdf files.

  Grades 1-2 Grades 3-4 Grades 4-5 Grades 6-7
Astronomy Word Search
Key*		 Word Search
Key*		 Word Search
Key*		  
Ecosytems   Word Search
Key*		   Crossword
Key*
Energy   Word Search
Key*		   Crossword
Key*
Food Web   Word Search
Key*		 Crossword
Key*		  
Geology   Word Search
Key*		 Crossword
Key*		  
Planets Word Search
Key*		 Word Search
Key*		 Crossword
Key*		  
Rocks   Word Search
Key*		   Crossword
Key*
Volcanoes Word Search
Key*		 Word Search
Key*		 Crossword
Key*		  
Waste   Word Search
Key*		   Crossword
Key*
Weather Word Search
Key*		 Word Search
Key*		 Crossword
Key*		 Crossword
Key*